/// <summary>
/// Set up all the Wintab and Wintab extension properties.
/// </summary>
/// <returns></returns>
private bool InitWintab()
{
bool status = false;
try
{
mLogContext = CWintabInfo.GetDefaultDigitizingContext(ECTXOptionValues.CXO_MESSAGES);
if (mLogContext == null)
{
return(false);
//throw new Exception("Oops - FAILED GetDefaultDigitizingContext");
}
// Control system cursor.
mLogContext.Options |= (UInt32)ECTXOptionValues.CXO_SYSTEM;
// Verify which extensions are available for targeting.
// Once we know what the tablet supports, we can set up the data packet
// definition to be sent events from those control types.
// All tablets should have at least expresskeys.
mExpKeysMask = CWintabExtensions.GetWTExtensionMask(EWTXExtensionTag.WTX_EXPKEYS2);
if (mExpKeysMask > 0)
{
mLogContext.PktData |= (WTPKT)mExpKeysMask;
}
else
{
Debug.WriteLine("InitWintab: WTX_EXPKEYS2 mask not found!");
throw new Exception("Oops - FAILED GetWTExtensionMask for WTX_EXPKEYS2");
}
// It's not an error if either / both of these are zero. It simply means
// that those control types are not supported.
mTouchRingMask = CWintabExtensions.GetWTExtensionMask(EWTXExtensionTag.WTX_TOUCHRING);
if (mTouchRingMask > 0)
{
mLogContext.PktData |= (WTPKT)mTouchRingMask;
}
mTouchStripMask = CWintabExtensions.GetWTExtensionMask(EWTXExtensionTag.WTX_TOUCHSTRIP);
if (mTouchStripMask > 0)
{
mLogContext.PktData |= (WTPKT)mTouchStripMask;
}
status = mLogContext.Open();
if (!status)
{
//throw new Exception("Oops - failed logContext.Open()");
return(false);
}
// Query for tablet list
mTabletList = CWintabInfo.GetFoundDevicesIndexList();
if (mTabletList.Count == 0)
{
MessageBox.Show("There are no attached tablets.");
}
// Create a data object and set its WT_PACKET handler.
m_wtData = new CWintabData(mLogContext);
m_wtData.SetWTPacketEventHandler(MyWTPacketEventHandler);
foreach (var tabletIdx in mTabletList)
{
SetupControlsForTablet(tabletIdx);
}
}
catch (Exception ex)
{
MessageBox.Show("FormExtTestApp: InitWintab: " + ex.ToString());
}
return(true);
}